cavalier
/kævəˈlɪər/ or /kəˈvælɪər/Definitions
1. noun
A horseman, especially one serving in a cavalry unit, or a person who shows disdain or indifference for something, such as a social rule or a person’s opinion.
“The young cavalry officer rode his horse with great confidence.”
2. adjective
Showing a casual or contemptuous disregard for rules or conventions, or characterized by a carefree or nonchalant attitude.
“The artist’s cavalier attitude towards deadlines allowed him to complete the project at his own pace.”
3. verb
To behave or treat something with a carefree or contemptuous disregard.
“The politician’s cavalier response to the crisis was criticized by the opposition.”